CVE-2026-23969Apache Superset: Exposure of Sensitive Information via Incomplete ClickHouse Function Filtering

Description

Apache Superset utilizes a configurable dictionary, DISALLOWED_SQL_FUNCTIONS, to restrict the execution of potentially sensitive SQL functions within SQL Lab and charts. While this feature included restrictions for engines like PostgreSQL, a vulnerability was reported where the default list for the ClickHouse engine was incomplete. This issue affects Apache Superset: before 4.1.2. Users are recommended to upgrade to version 4.1.2, which fixes the issue.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://lists.apache.org/thread/2q22sp4oj3krcgdkxchhtht0vgwp2wnd vendor-advisoryMailing List
• http://www.openwall.com/lists/oss-security/2026/02/24/4 Mailing ListThird Party Advisory